From: The correlation between sperm percentage with a small acrosome and unexplained in vitro fertilization failure
Percentage of sperm with a small acrosome
n
acrosome reaction(%)
95% (CI)
P
<ā20%
266
49.9āĀ±ā6.6
49.7ā50.7
0.000
20ā40%
171
30.0āĀ±ā7.4
28.9ā31.2
>ā40%
75
18.1āĀ±ā4.8
17.0-19.2